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@ -24,9 +24,9 @@ For more information about Heap Pumps look at [Wikipedia about HP](https://en.wi
\* RS-485 specification. Hardware test succeeded on 400 meters line. \* RS-485 specification. Hardware test succeeded on 400 meters line.
<br><br> <br><br>
### <b>Relays:</b> ### <b>Relays:</b>
## <b>"Thermostat"</b>: ## "Thermostat":
Only 1 Relay: drives electric heater (any) Only 1 Relay: drives electric heater (any)
## <b>Heat Pump.</b> Capillary tube, TXV, EEV: ## "Heat Pump". Capillary tube, TXV, EEV:
5 Relays, drives all you need: 5 Relays, drives all you need:
* Compressor (can be used as external relay driver for High Power systems) * Compressor (can be used as external relay driver for High Power systems)
* Cold Circulating Pump (CP) * Cold Circulating Pump (CP)
@ -39,6 +39,7 @@ Only 1 Relay: drives electric heater (any)
* Only 1 sensor needed for "Thermostat" or "Heat Pump capillary/TXV" * Only 1 sensor needed for "Thermostat" or "Heat Pump capillary/TXV"
* 3 sensors needed for "HP with EEV" (absolute minimum scheme) * 3 sensors needed for "HP with EEV" (absolute minimum scheme)
<br><br> <br><br>
## PCB Design ## PCB Design
There are 2 PCB designs: type "F" and type "G". There are 2 PCB designs: type "F" and type "G".